DL

David Milton Lange

EC Eastman Chemical: 11 patents #150 of 1,245Top 15%
GC Grupo Petrotemex, S.A. De C.V.: 2 patents #25 of 62Top 45%
📍 Anderson, TN: #1 of 5 inventorsTop 20%
🗺 Tennessee: #1,350 of 20,272 inventorsTop 7%
Overall (All Time): #365,802 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12398328 Chemical recycling of processed mixed plastic waste streams Bruce Roger DeBruin, Daryl Bitting, David Eugene Slivensky, Xianchun Wu, Jaclyn Erin Shuman +3 more 2025-08-26
9428480 Oxidation process to produce a crude and/or purified carboxylic acid product Mesfin Ejerssa Janka, Michael Charles Morrow, Bradford Russell Bowers, Kenny Randolph Parker, Ashfaq Shahanawaz Shaikh +5 more 2016-08-30
9382184 Processes for producing terephthalic acid Ashfaq Shahanawaz Shaikh, Patrice L. Riesenberg, Mesfin Ejerssa Janka 2016-07-05
9212121 Processes for producing terephthalic acid Ashfaq Shahanawaz Shaikh, Patrice L. Riesenberg, Mesfin Ejerssa Janka 2015-12-15
9199958 Oxidation process to produce a crude and/or purified carboxylic acid product Mesfin Ejerssa Janka, Michael Charles Morrow, Bradford Russell Bowers, Kenny Randolph Parker, Ashfaq Shahanawaz Shaikh +2 more 2015-12-01
9199906 Processes for producing isophthalic acid Ashfaq Shahanawaz Shaikh, William Lee Cook, Mesfin Ejerssa Janka 2015-12-01
8936767 Oxidation system with sidedraw secondary reactor Ashfaq Shahanawaz Shaikh, Alan George Wonders 2015-01-20
8846960 Oxidation process to produce a crude and/or purified carboxylic acid product Mesfin Ejerssa Janka, Michael Charles Morrow, Bradford Russell Bowers, Kenny Randolph Parker, Ashfaq Shahanawaz Shaikh +2 more 2014-09-30
8796477 Oxidation process to produce a crude and/or purified carboxylic acid product Mesfin Ejerssa Janka, Michael Charles Morrow, Bradford Russell Bowers, Kenny Randolph Parker, Ashfaq Shahanawaz Shaikh +5 more 2014-08-05
8791277 Oxidation process to produce a crude and/or purified carboxylic acid product Mesfin Ejerssa Janka, Michael Charles Morrow, Bradford Russell Bowers, Kenny Randolph Parker, Ashfaq Shahanawaz Shaikh +2 more 2014-07-29
8790601 Oxidation system with sidedraw secondary reactor Ashfaq Shahanawaz Shaikh 2014-07-29
8791278 Oxidation process to produce a crude and/or purified carboxylic acid product Ashfaq Shahanawaz Shaikh, Mesfin Ejerssa Janka, Michael Charles Morrow, Bradford Russell Bowers, Kenny Randolph Parker +5 more 2014-07-29
7550627 Processes for producing aromatic dicarboxylic acids Gino Georges Lavoie, Robert Thomas Hembre, Charles Edwan Sumner, Jr., Joseph Nathaniel Bays, Daniel Compton +3 more 2009-06-23